53:
1100:
1120:
1110:
243:
Significantly shorter, narrower, lighter and more fuel-efficient than the platform they replaced, the C Platform vehicles were noted for having nearly the same key interior dimensions as their predecessors and a much more nearly flat passenger compartment floor — albeit with thinner seats and
217:' Cadillac, Buick and Oldsmobile divisions for their full-sized automobiles from 1985 through 1996, sharing unibody construction, transverse engine configuration, rack and pinion steering and four-wheel independent suspension.
227:
were largely identical, sharing the same 110.8 in wheelbase, most bodywork, interior details, glass and engines. Manufacture began with the C platform in late 1983, first at two purpose-built plants,
220:
C-Bodies used, V6 or V8 engines, GM's TMH440 transaxle (initially), unibody construction — and all had been aerodynamically refined, with the
Oldsmobile achieving a .383 drag coefficient.
289:
briefly made its return on this platform, stretched by 23.6" to a wheelbase of 134.4". Cadillac used the platform though 1993; Buick heavily revised the
Electra, becoming the first generation
574:
270:
Cadillac would later introduce C Body models with a 113.8 in wheelbase. Most C-body vehicles were ultimately replaced with cars on the related
595:
434:
and C platform were largely identical, sharing the same 110.8 in wheelbase, most bodywork, interior details, glass and engines.
1113:
658:
532:
252:
567:
27:
This article is about the front-wheel drive 1985-1996 C platform. For the original 1936-1984 rear-wheel drive C platform, see
17:
293:(1991-1996), while still using the C Platform; and Oldsmobile marketed C Platform derivatives through 1990, notably the
536:
679:
1144:
1103:
560:
264:
1123:
350:
1085:
1080:
1064:
951:
947:
932:
918:
914:
836:
832:
812:
808:
788:
784:
759:
735:
731:
643:
638:
260:
1034:
1039:
905:
842:
653:
648:
623:
618:
406:
294:
967:
746:
628:
378:
988:
684:
674:
962:
957:
943:
938:
924:
910:
890:
871:
866:
852:
847:
828:
823:
804:
780:
775:
770:
765:
751:
741:
727:
702:
885:
416:
365:
161:
431:
237:
224:
35:
28:
8:
502:
396:
355:
279:
275:
271:
229:
194:
179:
175:
68:
928:
1000:
879:
818:
688:
497:
335:
322:
286:
157:
153:
101:
1016:
696:
692:
391:
290:
210:
149:
145:
118:
1012:
860:
799:
794:
633:
992:
895:
583:
479:
233:
214:
128:
73:
1138:
983:
900:
875:
856:
547:
484:
475:
462:
457:
340:
256:
165:
141:
106:
586:
552:
52:
245:
113:
996:
121:
1028:
248:, locating windshield as well as side glass closer to passengers.
1024:
1020:
1008:
1004:
251:
Introduced in early 1984, the models were marketed as the
419:(subsequent 98 trim levels used a succeeding platform)
133:
Two- and four-door sedan; extended wheelbase limousine.
240:as well as Flint and Willow Run assembly plants.
1136:
300:
568:
582:
1119:
575:
561:
51:
531:
425:
527:
525:
14:
1137:
556:
1109:
522:
24:
351:Cadillac De Ville (6th Generation)
213:(FWD) automobile platform used by
25:
1156:
1118:
1108:
1099:
1098:
407:Oldsmobile 98 (11th generation)
539:. Popular Science, April 1985.
537:"PS Drives GMs 85 Luxury Cars"
379:Buick Electra (6th Generation)
13:
1:
516:
287:Cadillac Series 75 limousine
7:
301:Models using the C Platform
57:1991-1996 Buick Park Avenue
10:
1161:
33:
26:
1094:
1073:
1057:
1048:
976:
720:
711:
667:
611:
602:
593:
190:
185:
171:
137:
127:
112:
100:
95:
87:
79:
67:
62:
50:
45:
1145:General Motors platforms
417:Oldsmobile Touring Sedan
295:Oldsmobile Touring Sedan
244:dramatically less upper
236:— later moving to
282:platform designations.
253:Oldsmobile Ninety-Eight
366:Cadillac Sixty Special
162:Cadillac Sixty Special
40:Motor vehicle platform
426:Related H body models
624:Delta (D2XX/PATAC K)
548:List of GM VIN codes
507:GM G platform (FWD)
238:Lansing Car Assembly
223:GM's C platform and
36:List of GM platforms
29:GM C platform (1936)
644:Epsilon (E2XX/P2XX)
503:GM G platform (RWD)
397:GM G platform (FWD)
356:GM K platform (FWD)
230:Wentzville Assembly
180:GM K platform (FWD)
176:GM H platform (FWD)
46:GM C platform (FWD)
18:GM C platform (FWD)
498:Pontiac Bonneville
446:Previous platform
336:Cadillac Fleetwood
323:Cadillac Series 75
205:also known as the
158:Cadillac Series 75
154:Cadillac Fleetwood
1132:
1131:
511:
510:
423:
422:
392:Buick Park Avenue
291:Buick Park Avenue
211:front wheel drive
200:
199:
150:Cadillac De Ville
146:Buick Park Avenue
16:(Redirected from
1152:
1122:
1121:
1112:
1111:
1102:
1101:
577:
570:
563:
554:
553:
541:
540:
529:
437:
436:
305:
304:
261:Cadillac Deville
96:Body and chassis
55:
43:
42:
21:
1160:
1159:
1155:
1154:
1153:
1151:
1150:
1149:
1135:
1134:
1133:
1128:
1090:
1069:
1053:
1044:
972:
716:
707:
663:
607:
598:
589:
581:
544:
530:
523:
519:
513:
428:
303:
178:
164:
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156:
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144:
58:
41:
38:
32:
23:
22:
15:
12:
11:
5:
1158:
1148:
1147:
1130:
1129:
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1116:
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1095:
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1068:
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1037:
1032:
986:
980:
978:
974:
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971:
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965:
960:
955:
941:
936:
922:
908:
903:
898:
893:
888:
883:
869:
864:
850:
845:
840:
826:
821:
816:
802:
797:
792:
778:
773:
768:
763:
749:
744:
739:
724:
722:
718:
717:
712:
709:
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700:
682:
677:
671:
669:
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664:
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636:
631:
626:
621:
615:
613:
609:
608:
603:
600:
599:
594:
591:
590:
584:General Motors
580:
579:
572:
565:
557:
551:
550:
543:
542:
535:(April 1984).
520:
518:
515:
509:
508:
505:
500:
495:
491:
490:
487:
482:
473:
469:
468:
467:GM G platform
465:
460:
455:
451:
450:
449:Next platform
447:
444:
441:
427:
424:
421:
420:
414:
410:
409:
404:
400:
399:
394:
389:
385:
384:
381:
376:
372:
371:
368:
363:
359:
358:
353:
348:
344:
343:
338:
333:
329:
328:
325:
320:
316:
315:
314:Next platform
312:
309:
302:
299:
263:(6th gen) and
259:(6th gen) and
234:Orion Assembly
215:General Motors
203:GM C platform,
198:
197:
192:
188:
187:
183:
182:
173:
169:
168:
139:
135:
134:
131:
125:
124:
116:
110:
109:
104:
98:
97:
93:
92:
89:
85:
84:
81:
77:
76:
74:General Motors
71:
65:
64:
60:
59:
56:
48:
47:
39:
9:
6:
4:
3:
2:
1157:
1146:
1143:
1142:
1140:
1125:
1117:
1115:
1107:
1105:
1097:
1096:
1093:
1087:
1084:
1082:
1079:
1078:
1076:
1072:
1066:
1063:
1062:
1060:
1056:
1052:
1047:
1041:
1038:
1036:
1033:
1030:
1026:
1022:
1018:
1014:
1010:
1006:
1002:
998:
994:
990:
987:
985:
982:
981:
979:
975:
969:
966:
964:
961:
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956:
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949:
945:
942:
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937:
934:
930:
926:
923:
920:
916:
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909:
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904:
902:
899:
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894:
892:
889:
887:
884:
881:
877:
873:
870:
868:
865:
862:
858:
854:
851:
849:
846:
844:
841:
838:
834:
830:
827:
825:
822:
820:
817:
814:
810:
806:
803:
801:
798:
796:
793:
790:
786:
782:
779:
777:
774:
772:
769:
767:
764:
761:
757:
753:
750:
748:
745:
743:
740:
737:
733:
729:
726:
725:
723:
719:
715:
710:
704:
701:
698:
694:
690:
686:
683:
681:
678:
676:
673:
672:
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666:
660:
657:
655:
652:
650:
647:
645:
642:
640:
637:
635:
632:
630:
627:
625:
622:
620:
617:
616:
614:
610:
606:
605:In production
601:
597:
592:
588:
585:
578:
573:
571:
566:
564:
559:
558:
555:
549:
546:
545:
538:
534:
528:
526:
521:
514:
506:
504:
501:
499:
496:
493:
492:
488:
486:
485:GM B platform
483:
481:
477:
476:Oldsmobile 88
474:
471:
470:
466:
464:
463:GM B platform
461:
459:
458:Buick LeSabre
456:
453:
452:
448:
445:
442:
439:
438:
435:
433:
418:
415:
412:
411:
408:
405:
402:
401:
398:
395:
393:
390:
387:
386:
382:
380:
377:
374:
373:
369:
367:
364:
361:
360:
357:
354:
352:
349:
346:
345:
342:
341:GM D platform
339:
337:
334:
331:
330:
326:
324:
321:
318:
317:
313:
310:
307:
306:
298:
296:
292:
288:
283:
281:
277:
273:
268:
267:(1985-90)..
266:
262:
258:
257:Buick Electra
254:
249:
247:
241:
239:
235:
231:
226:
221:
218:
216:
212:
208:
204:
196:
195:GM G platform
193:
189:
184:
181:
177:
174:
170:
167:
166:Oldsmobile 98
163:
159:
155:
151:
147:
143:
142:Buick Electra
140:
136:
132:
130:
129:Body style(s)
126:
123:
120:
117:
115:
111:
108:
107:Full-size car
105:
103:
99:
94:
90:
86:
82:
78:
75:
72:
70:
66:
61:
54:
49:
44:
37:
30:
19:
1050:
755:
713:
604:
512:
429:
284:
269:
255:(11th gen),
250:
242:
222:
219:
206:
202:
201:
69:Manufacturer
1074:Trucks/SUVs
977:Trucks/SUVs
668:Trucks/SUVs
80:Also called
984:C/K Series
517:References
432:H platform
246:tumblehome
225:H platform
186:Chronology
119:Transverse
88:Production
34:See also:
587:platforms
533:Jim Dunne
494:1987–1999
472:1986–1999
454:1986–1999
413:1987–1990
403:1985–1996
388:1991–1996
375:1985–1990
362:1987–1993
347:1985–1993
332:1985–1992
319:1985–1987
265:Fleetwood
191:Successor
122:FF layout
91:1985–1996
1139:Category
1104:Category
489:Retired
209:, was a
138:Vehicles
63:Overview
1114:Commons
1013:530/560
997:345/745
993:325/330
886:Premium
714:Retired
596:Marques
172:Related
1051:Future
1035:Lambda
800:GM4200
795:GM2900
443:Model
440:Years
311:Model
308:Years
278:, and
207:C-Body
114:Layout
83:C-Body
1086:VSS-T
1081:VSS-S
1065:VSS-R
1040:Theta
906:Sigma
843:Kappa
654:Omega
649:Alpha
639:VSS-F
619:Gamma
102:Class
1124:List
1058:Cars
1029:K2XX
968:Zeta
901:SCCS
747:BEV2
721:Cars
697:T1XX
689:31XX
680:C1XX
629:BEV3
612:Cars
430:The
285:The
232:and
1025:900
1021:800
1017:600
1009:400
1005:360
1001:355
989:GMT
952:RWD
948:FWD
933:RWD
929:FWD
919:RWD
915:FWD
880:FWD
876:RWD
861:RWD
857:FWD
837:RWD
833:FWD
813:RWD
809:FWD
789:RWD
785:FWD
760:RWD
756:FWD
736:RWD
732:FWD
693:610
685:GMT
675:BT1
634:GEM
480:LSS
1141::
1027:,
1023:,
1019:,
1015:,
1011:,
1007:,
1003:,
999:,
995:,
950:,
931:,
917:,
878:,
859:,
835:,
819:HQ
811:,
787:,
758:,
734:,
695:,
691:,
524:^
383:-
370:-
327:-
297:.
274:,
1031:)
991:(
963:Z
958:Y
954:)
946:(
944:X
939:W
935:)
927:(
925:V
921:)
913:(
911:T
896:S
891:R
882:)
874:(
872:P
867:N
863:)
855:(
853:M
848:L
839:)
831:(
829:K
824:J
815:)
807:(
805:H
791:)
783:(
781:G
776:F
771:E
766:D
762:)
754:(
752:C
742:B
738:)
730:(
728:A
703:U
699:)
687:(
659:Y
576:e
569:t
562:v
478:/
280:K
276:H
272:G
31:.
20:)
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